Multinomial coefficients(TOP, BOTTOM), where TOP = 2^n, BOTTOM = ( C(n,0) C(n,1) C(n,2) ... C(n,n) ).

A022914

Multinomial coefficients(TOP, BOTTOM), where TOP = 2^n, BOTTOM = ( C(n,0) C(n,1) C(n,2) ... C(n,n) ).

Terms

    a(0) =1a(1) =2a(2) =12a(3) =1120a(4) =50450400

External references